Assume a situation that you went on a tour to a place full houses in well designed manner. Suddenly when you saw a house designed in bus-shaped, you got attracted and knocked the door. But you didn’t get any response. When you opened the door and entered into the house, it gets locked automatically. So, it is your responsibility to escape from the house. Surely you will do this with your brilliance. As you are the person of good problem solving nature, surely you will find the necessary objects to solve the puzzles.